Mass Extinctions

Mass Extinctions

Mass extinctions are pivotal events in Earth's history, characterized by abrupt and widespread loss of biodiversity. These cataclysmic events, identified through fossil records, have shaped evolutionary trajectories. The "Big Five" mass extinctions include the End-Ordovician, Late Devonian, End-Permian (the most severe), End-Triassic, and End-Cretaceous events. Each was triggered by various factors, such as volcanic activity, asteroid impacts, or climate change, leading to rapid declines in species across different ecosystems. The End-Permian extinction, for instance, wiped out over 90% of marine species, altering marine environments for millions of years. Understanding these events informs theories on resilience and adaptation, highlighting the interconnectedness of geological processes with biological evolution over geological timescales.

Committee Members
Speaker at Geology and Earth Science 2023 - Myint Win Bo

Myint Win Bo

Toronto Metropolitan University , Canada
Speaker at Geology and Earth Science 2023 -  Leonid Anisimov

Leonid Anisimov

Volgograd State University, Russian Federation
Speaker at Geology and Earth Science 2023 - Shozo Yanagida

Shozo Yanagida

Osaka University, Japan
Geology 2023 Speakers
Speaker at Geology and Earth Science 2023 - Martina Gaglioti

Martina Gaglioti

LIPU, Italy
Speaker at Geology and Earth Science 2023 - Maria Vicenta Esteller Alberich

Maria Vicenta Esteller Alberich

Universidad Autónoma del Estado de México, Mexico
Speaker at Geology and Earth Science 2023 - Oscar Andres Cuanalo Campos

Oscar Andres Cuanalo Campos

Universidad Popular Autónoma del Estado de Puebla, Mexico
Speaker at Geology and Earth Science 2023 - Arun K Shandilya

Arun K Shandilya

Dr HSG University Sagar, India
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